paper

Chaotic Inflation and Baryogenesis in Supergravity

arXiv:hep-ph/9311326 · doi:10.1103/PhysRevD.50.R2356

Abstract

We propose a Kähler potential in supergravity which successfully accommodates chaotic inflation. This model can have a large gravitino mass without giving a large mass to squarks and sleptons, and thus is free from both the gravitino problem and entropy crisis. In this model baryogenesis takes place naturally, identifying the inflaton with a right-handed sneutrino with its mass GeV, which is consistent with the COBE data and the Mikheyev--Smirnov--Wolfenstein solution to the solar neutrino problem. The model can also accommodate the matter content appropriate for the mixed dark matter scenario.

YITP/U-93-29, LBL-34887 10 pages, LaTeX file, requires REVTEX 3.0. Two PostScript figures attached in tar+compress+uuencode format after \end{document}

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